Syhonic I1 Portable HD Multimedia Mini Home Theater Cinema LCD LED Video HDMI Micro Projector for iPhone Galaxy Laptop Mac (White) Resolution: Native resolution 480*320p, support 1920*1080p; Contrast: 500:1; Brightness: 150 Lumens; Aspect Ratio: 16:9 and 4:3. Multi-function input AV/VGA/USB/SD/HDMI/Micro USB. Can be charged with power bank by Micro USB input. Keystone Correction: 15; Image Size: 30-100 inch; Projection Distance: 1.07-3.5M. Note: The projector is not recommended for PPT or business presentation, ideal for home theater movies and video game use. Smart and affordable: Easy to carry it anywhere with 170mm*136mm*70mm. The Affordable Entry level HD Port-ready LCD projector in the market.